Molekula
Chloroquine diphosphate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Chloroquine diphosphate is a synthetic antimalarial and immunomodulatory compound used in research and clinical settings for treating and preventing malaria, and in autoimmune disorders. It is a white to off-white crystalline powder with a molecular formula of C18H26ClN3 · 2H3PO4, a molecular weight of 515.86 g/mol, and a CAS number of 50-63-5. It must be stored at 2 to 8 °C and is classified as Danger. Molekula supplies Chloroquine diphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £58.70 per pack ex VAT · £70.44 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or almost white crystalline powder |
| Heavy metals | ≤20ppm |
| pH | 3.8 - 4.3 |
| Loss on Drying | ≤2.0% |
| Solubility | Freely soluble in water, very slightly soluble in alcohol and in Methanol |
| Assay | ≥98.5% |
| UV | Maxima at 220nm, 235nm, 256nm, 329nm and 342nm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 17838227 |
| CAS Number | 50-63-5 |
| IUPAC Name | 4-N-(7-chloroquinolin-4-yl)-1-N,1-N-diethylpentane-1,4-diamine;phosphoric acid |
| Molecular Formula | C18H26ClN3 · 2H3PO4 |
| Molecular Weight | 515.86 |
| Exact Mass | 417.1584 |
| SMILES | CCN(CC)CCCC(C)NC1=C2C=CC(=CC2=NC=C1)Cl.OP(=O)(O)O |
| InChIKey | AEUAEICGCMSYCQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C18H26ClN3.H3O4P/c1-4-22(5-2)12-6-7-14(3)21-17-10-11-20-18-13-15(19)8-9-16(17)18;1-5(2,3)4/h8-11,13-14H,4-7,12H2,1-3H3,(H,20,21);(H3,1,2,3,4) |
| PubChem CID | 83818 |
| REACH Code | Y110 |
| HTS Code | 29334970 |
| Tariff Code | 2933499090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H318 Causes serious eye damage
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Araten phosphate
- Arolen
- Chloroin
- Chloroquine monophosphate
- Chloroquinine phosphate
- Chloroquinone Phosphate
- Miniquine
- Rivoquine
- Tanakan
- Tanakene
Frequently asked questions
What is chloroquine diphosphate used for?
Chloroquine diphosphate is primarily used in research applications, including antimalarial studies and investigations into autoimmune diseases and viral infections.
What is the chemical formula and molecular weight of chloroquine diphosphate?
The formula is C18H26ClN3 · 2H3PO4 with a molecular weight of 515.86 g/mol.
How should chloroquine diphosphate be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for chloroquine diphosphate?
Available in research grade for laboratory use.
Can Molekula supply chloroquine diphosphate in bulk?
Yes, bulk quantities are available upon request—please contact our sales team for details.
What documentation comes with a purchase of chloroquine diphosphate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.